xref: /openbmc/linux/scripts/package/buildtar (revision 37b9b9a5)
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3
4#
5# buildtar 0.0.5
6#
7# (C) 2004-2006 by Jan-Benedict Glaw <jbglaw@lug-owl.de>
8#
9# This script is used to compile a tarball from the currently
10# prepared kernel. Based upon the builddeb script from
11# Wichert Akkerman <wichert@wiggy.net>.
12#
13
14set -e
15
16#
17# Some variables and settings used throughout the script
18#
19tmpdir="${objtree}/tar-install"
20tarball="${objtree}/linux-${KERNELRELEASE}-${ARCH}.tar"
21
22
23#
24# Figure out how to compress, if requested at all
25#
26case "${1}" in
27	dir-pkg|tar-pkg)
28		opts=
29		;;
30	targz-pkg)
31		opts=--gzip
32		tarball=${tarball}.gz
33		;;
34	tarbz2-pkg)
35		opts=--bzip2
36		tarball=${tarball}.bz2
37		;;
38	tarxz-pkg)
39		opts=--xz
40		tarball=${tarball}.xz
41		;;
42	*)
43		echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2
44		exit 1
45		;;
46esac
47
48
49#
50# Clean-up and re-create the temporary directory
51#
52rm -rf -- "${tmpdir}"
53mkdir -p -- "${tmpdir}/boot"
54dirs=boot
55
56#
57# Try to install modules
58#
59if grep -q '^CONFIG_MODULES=y' include/config/auto.conf; then
60	make ARCH="${ARCH}" -f ${srctree}/Makefile INSTALL_MOD_PATH="${tmpdir}" modules_install
61	dirs="$dirs lib"
62fi
63
64
65#
66# Install basic kernel files
67#
68cp -v -- "${objtree}/System.map" "${tmpdir}/boot/System.map-${KERNELRELEASE}"
69cp -v -- "${KCONFIG_CONFIG}" "${tmpdir}/boot/config-${KERNELRELEASE}"
70cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
71
72
73#
74# Install arch-specific kernel image(s)
75#
76case "${ARCH}" in
77	x86|i386|x86_64)
78		[ -f "${objtree}/arch/x86/boot/bzImage" ] && cp -v -- "${objtree}/arch/x86/boot/bzImage" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
79		;;
80	alpha)
81		[ -f "${objtree}/arch/alpha/boot/vmlinux.gz" ] && cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
82		;;
83	parisc*)
84		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
85		[ -f "${objtree}/lifimage" ] && cp -v -- "${objtree}/lifimage" "${tmpdir}/boot/lifimage-${KERNELRELEASE}"
86		;;
87	mips)
88		if [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.bin" ]; then
89			cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.bin" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
90		elif [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.ecoff" ]; then
91			cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.ecoff" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
92		elif [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.srec" ]; then
93			cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.srec" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
94		elif [ -f "${objtree}/vmlinux.32" ]; then
95			cp -v -- "${objtree}/vmlinux.32" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
96		elif [ -f "${objtree}/vmlinux.64" ]; then
97			cp -v -- "${objtree}/vmlinux.64" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
98		elif [ -f "${objtree}/arch/mips/boot/vmlinux.bin" ]; then
99			cp -v -- "${objtree}/arch/mips/boot/vmlinux.bin" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
100		elif [ -f "${objtree}/arch/mips/boot/vmlinux.ecoff" ]; then
101			cp -v -- "${objtree}/arch/mips/boot/vmlinux.ecoff" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
102		elif [ -f "${objtree}/arch/mips/boot/vmlinux.srec" ]; then
103			cp -v -- "${objtree}/arch/mips/boot/vmlinux.srec" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
104		elif [ -f "${objtree}/vmlinux" ]; then
105			cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
106		fi
107		;;
108	arm64)
109		for i in Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo ; do
110			if [ -f "${objtree}/arch/arm64/boot/${i}" ] ; then
111				cp -v -- "${objtree}/arch/arm64/boot/${i}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
112				break
113			fi
114		done
115		;;
116	*)
117		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-kbuild-${KERNELRELEASE}"
118		echo "" >&2
119		echo '** ** **  WARNING  ** ** **' >&2
120		echo "" >&2
121		echo "Your architecture did not define any architecture-dependent files" >&2
122		echo "to be placed into the tarball. Please add those to ${0} ..." >&2
123		echo "" >&2
124		sleep 5
125		;;
126esac
127
128if [ "${1}" = dir-pkg ]; then
129	echo "Kernel tree successfully created in $tmpdir"
130	exit 0
131fi
132
133#
134# Create the tarball
135#
136if tar --owner=root --group=root --help >/dev/null 2>&1; then
137	opts="$opts --owner=root --group=root"
138fi
139
140tar cf $tarball -C $tmpdir $opts $dirs
141
142echo "Tarball successfully created in $tarball"
143
144exit 0
145